－ Whose is this blue bike?
－It ________ be Mary’s. Her bike is black and white.
| A．must | B．can’t | C．can | D．mustn’t |
Few weight-loss pills can help to keep people slim, _______?
| A．do they | B．dodt they | C．can't they | D．can they |
He will come to understand your efforts sooner or later. It's just a matter of_______.
| A．time | B．value | C．luck | D．fact |
-Tommy, do you know if Frank_______ to the theatre with us this Sunday if it_______?
-Sorry, I have no idea.
| A．will go, is going to be fine | B．goes, is fine |
| C．will go, is fine | D．goes, will be fine |
Encourage your children to try new things, but try not to_______ them too hard.
| A．prevent | B．hit | C．rush | D．push |
-Need the government of Philippines(菲律宾政府)say sorry to China?
-Yes, they_______.Their behavior has deeply hurt Chinese people.
| A．must | B．need | C．can | D．may |